On Sat, Oct 31, 2020 at 12:58:09PM -0700, Eric Biggers wrote:
> From: Chao Yu <[email protected]>
> 
> commit e06f86e61d7a67fe6e826010f57aa39c674f4b1b upstream.
> [This backport fixes a regression in 4.4-stable caused by commit
> 11a6e8f89521 ("f2fs: check memory boundary by insane namelen"), which
> depended on this missing commit.  This bad backport broke f2fs
> encryption because it moved the incrementing of 'bit_pos' to earlier in
> f2fs_fill_dentries() without accounting for it being used in the
> encrypted dir case.  This caused readdir() on encrypted directories to
> start failing.  Tested with 'kvm-xfstests -c f2fs -g encrypt'.]
> 
> When decrypting dirents in ->readdir, fscrypt_fname_disk_to_usr won't
> change content of original encrypted dirent, we don't need to allocate
> additional buffer for storing mirror of it, so get rid of it.
> 
> Signed-off-by: Chao Yu <[email protected]>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> Signed-off-by: Eric Biggers <[email protected]>
> ---
>  fs/f2fs/dir.c | 7 -------
>  1 file changed, 7 deletions(-)

Now queued up, thanks.

greg k-h


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